Opteron 6344 vs AMD EPYC 9645

VS

AMD Opteron 6344

AMD EPYC 9645

We compared two server CPUs: Opteron 6344 with 12 cores 2.6GHz and AMD EPYC 9645 with 96 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6344 's Advantages

Higher base frequency (2.6GHz vs 2.3GHz)

Lower TDP (115W vs 320W)

AMD EPYC 9645 's Advantages

Released 11 years and 11 months late

Higher specification of memory (6000 vs 1866)

Newer PCIe version (5 vs 2)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (3nm vs 32nm)

Score

Opteron 6344

VS

AMD EPYC 9645

General Parameters

Nov 2012

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Abu Dhabi

Core Architecture

Turin

AMD Socket G34

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Opteron (Abu Dhabi)

Generation

EPYC(Zen 5c (Turin))

Package

2.4 billions

Transistor Count

32 nm

Manufacturing Process

3 nm

115 W

Power Consumption

320 W

70 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

2x315 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

2.6 GHz

Performance Core Base Frequency

2.3 GHz

3.2 GHz

Performance Core Turbo Frequency

3.7 GHz

12

Total Core Count

96

12

Total Thread Count

192

200 MHz

Bus Frequency

100 MHz

13.0

Multiplier

23.0

576 KB

L1 Cache

80 KB per core

2 MB per module

L2 Cache

1 MB per core

8 MB per die

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3-1866

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

4

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9645

2

PCIe Version

5

-

PCIe Lanes

128

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